Sunday Afternoon Maths II

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star numbers square numbers lines triangle numbers surds factorials expansions unit fractions circles elections regular shapes square roots irreducible numbers indices geometric mean triangles grids chalkdust crossnumber rugby scales sum to infinity gerrymandering multiplication median planes means christmas routes tournaments arrows percentages cubics menace differentiation digits determinants decahedra ellipses digital clocks squares proportion powers speed dominos digital products taxicab geometry axes pentagons cryptic crossnumbers bases mean polygons sets sums wordplay quadrilaterals games products shapes probabilty tiling square grids 3d shapes number addition trigonometry dice multiples consecutive numbers integers geometric means medians cube numbers books cards dodecagons even numbers factors chess functions 2d shapes range cryptic clues numbers coins dates the only crossnumber area averages probability crosswords pascal's triangle perfect numbers polynomials balancing remainders symmetry graphs sequences advent geometry chocolate combinatorics coordinates ave neighbours palindromes logic crossnumbers hexagons odd numbers rectangles floors shape volume sport doubling tangents albgebra time complex numbers prime numbers angles algebra numbers grids consecutive integers quadratics binary colouring people maths partitions perimeter matrices spheres division parabolas clocks integration fractions calculus money folding tube maps